Machine for melting snow



y 27, 1 -v P. LA COURT MACHINE FOR MELTING SNOW Filed Dec. '11, 1928 This inyentioh relatsf to niachines for-1B IIIOVlIlg snow from o streets, fs1dewalks,-eto.,

by heat developed by burners-consuming liquid fuel, the machinein'cluding a I' OW Of f/slburners adapted toprojefct .jetslofflarne While 7 traveling over a surfaoeto be Cleared of's'now. 1:2

" The object of the invention is to providea Inaohine, the burners of which v are independ- 110- element, of asnow-me'lting unit which can be made i operative, and iinopejratiyeand'regll f lated independently ofthe Others.

p ""Qf'the aecompanyingjdrawings forming a {part of this speeifi ca'tion,+ I: Figure 1 is a top-plan yie w 'of a machine I 'embodying'thelinyentionij. I I

Figure 2 is aside'view of the same. .if

in perspective portions 'of one of the units e 1. of the machine and including a diagram illusit: I tratingv the electric circuit ;of the ignition "'.I$ e I s Figure 4 s'a fragmentary sectlonal View,

showing same parts'inallof the-figures. I

The-machine includes a frame whichyin" this 'instance, -includes side" members 12, a}

' front transverse member 13, and areartrans-t 7 "Verse member) 14, the latter having bearings,"

.for the burner! and igniter shafts hereinafter raise and lowerg'therear wheelsjandthus vary the inclination of the frame. i i 4 i 1 designates a tank supported by the rear portion of the frame and adapted to ."c'onta'in gasoline or other liquid: fuel Air, pressure may be maintained on-fuel in the'tank'by' an Figure 3 is afragmentary view, showing" burners by'alrj pressure in the tank 7 e ,B l hburnerisia' dr p-pan 32fwliich L (showing one ofothe blow"torehesjorf'burners f --Figure 5 is ,a- View; siIni1ar to'Figure'fl',

hield assoeifaited, withx thebloyvj f1 1 The samereference eharactersindi cate-the Eairpump} 22 conneeted thereyyith; 231-:des j S eriaIfiTo35 34i f' 7 ignat'es Ia iuel-supp1y pipe j extending across" i .thefframe atiithe'ifront endportio'n thereof; v and connectedfwiththe.tank,in this instanceff ll byiapipeee cbnnecte'dwiththeibottoino fthe n 7' 1 i tank;anclipif ies125 connected withtheendsof;" e thejtank;sfionneeted with thesu 'ply pipe23' v areiburner'sfofztheBunsen type,-ieach*inc1ud,

in-g aninl'ierenozzle 26 (Figure4)-f,Whoseboi-*e I entlycontrollable;eachyburner forming an, 'and n :in1x1nginozzle28 secured to? and prol efetronthe inner nozzle and provided 7 w th orifices 29,;said nozzles ,zp ro je'cting for j ward Jf m the p'ipe 23ehd being" inclined? P downard; ,fEachfj'burner. is; provided with e @fii 'BW-threfiddeneedlerva1xf-30en aged WW1 e e v s; siei fomihexbufrner when r j the. I yalve Q3! is opened: Each drip Qp'an iis proyipledgyvith an' igni-tr "which includes memberias aimevable.membeiiei;,

inber sare i eonneeted eleetric=ficircuita 4 -BIZ'jjoi rnaledin a fixedkbeziring jheit r nfg of-thefsha'ft37eaiisesyawip= nates a 'val'ye-operating shaft conneetedfwithq the needle valye 30 bya fl'exible jointg llhafid @5 5 i i this"instance,sparkinga 'i'fi'gcontact-9f:theelectrode.341withgthefixed 7' I electr d 3 Tend th producti-onrof a ispafk v a et t jcz'dlesiseparate, v Thespark ig-s6 9 

